Bump symfony/flex from 2.7.0 to 2.7.1#2

jerowork merged 1 commit intomainjerowork/example-application-graphql-attribute-schema:mainfrom

dependabot/composer/symfony/flex-2.7.1jerowork/example-application-graphql-attribute-schema:dependabot/composer/symfony/flex-2.7.1Copy head branch name to clipboard